APA (7e ed.) Bronvermelding

Österreichische Ludwig Wittgenstein Gesellschaft, ebrary, Inc, Pichler, A., & Säätelä, S. (2006). Wittgenstein: The philosopher and his works (2nd ed.). Ontos Verlag.

Chicago (17e ed.) Bronvermelding

Österreichische Ludwig Wittgenstein Gesellschaft, Inc ebrary, Alois Pichler, en Simo Säätelä. Wittgenstein: The Philosopher and His Works. 2nd ed. Frankfurt: Ontos Verlag, 2006.

MLA (9e ed.) Bronvermelding

Österreichische Ludwig Wittgenstein Gesellschaft, et al. Wittgenstein: The Philosopher and His Works. 2nd ed. Ontos Verlag, 2006.